Window Price Calculators: All 15 by Style and Material
Free tools that turn your window count, style and frame material into a realistic 2026 price range in seconds.
The headline whole-house cost calculator on our home page prices a whole house in one go, while the focused tools below drill into a single style or material. Each one works the same way: you pick the number of windows, the style and the frame material, and it returns a low to high price range plus a per-window average, built from our 2026 cost data. None of them ask for your phone number, and none of them hand your details to a salesperson. If you only want the headline figure, start with how much double glazing costs per window and then come back to fine-tune it. If the windows you are pricing are already double glazed, double glazed window replacement explains what the job involves before you put a number to it.
Compare window styles on price before you pick a tool
Every style below is priced fully fitted, per window, in 2026. The table answers the question most people arrive with — which styles are cheap and which are not — and the calculator under it prices your own count and material once you have picked one.
| Window style | uPVC | Aluminium | Timber |
|---|---|---|---|
| Casement | £400–£1,000 | £540–£1,350 | £760–£1,900 |
| Sash | £600–£1,500 | £950–£2,030 | £1,330–£2,850 |
| Tilt & Turn | £500–£1,200 | £680–£1,620 | £950–£2,280 |
| Bay (per bay) | £1,250–£3,000 | £1,690–£4,050 | £2,380–£5,700 |
| Fixed | £300–£760 | £410–£1,030 | £570–£1,440 |
| French Doors | £1,100–£2,200 | £1,490–£2,970 | £2,090–£4,180 |
| Bifold Doors | £2,000–£4,675 | £3,000–£7,500 | £3,800–£8,550 |
Per window unless the row says per bay. Casement in uPVC is the cheapest combination and the one most UK homes end up with. Source: DGCC 2026 cost data, cross-checked against Checkatrade.
Price Your Windows by Style and Material
10 uPVC windows, UK average
£7,000
About £400 to £1,000 each, fitted
Your windows
Sizes: small about 600 × 900mm, standard 1200 × 1200mm, large 1800 × 1200mm.
Prices are estimates based on UK market averages for 2026. Actual costs vary by supplier, location and property. Always get 3 quotes before committing.
Every calculator by style and material
uPVC Window Calculator
The default for most UK homes. Price fitted uPVC casement, sash and tilt-and-turn windows.
Casement Window Calculator
The cheapest, most common style, priced in any frame material.
Sash Window Calculator
Vertical sliding sash windows for Victorian and Georgian homes, in uPVC or timber.
Tilt and Turn Calculator
Dual-opening windows ideal for flats and upper floors, in uPVC or slim aluminium.
Bay Window Calculator
Projecting bay windows priced per bay, including the structural fitting work.
Bow Window Calculator
Curved bow windows priced per bow, by the number of sections, in any frame.
Flush Casement Calculator
Sashes that close flush with the frame for a period look. A premium over standard casements.
French Window Calculator
Postless double openings for windows and doors, with a clear full-width view.
Picture Window Calculator
Fixed, non-opening panes for light and a view. The cheapest style per opening.
Aluminium Window Calculator
Slim-frame aluminium windows for a modern look. Expect a 30 to 40% premium over uPVC.
Timber Window Calculator
Hardwood and softwood windows for period and conservation-area homes.
Door Cost Calculator
Front, French, patio and bifold doors, supply and fit, in uPVC, composite and aluminium.
Conservatory Glazing Calculator
Glass and polycarbonate conservatory roofs plus glazed side panels, priced per m².
Triple Glazing Cost Calculator
The same windows with a third pane: 10 to 20% on top of the double glazed price, per window and whole house.
Energy Savings Calculator
See how much A-rated double glazing could trim from your annual heating bill.
Repair Cost Calculator
Misted units, reseals, handles and hinges, with a repair-versus-replace comparison.
Which calculator should I use?
For most homes the uPVC window calculator or the casement window calculator is the right starting point, because an A-rated uPVC casement is the cheapest frame and suits the majority of UK properties. Pick the style that matches your home: a sash for a Victorian or Georgian house, a bay for a projecting front window. For a flat, the tilt and turn window calculator prices an inward-opening frame you can clean from inside, and for a fixed pane that is all light and view, the picture window cost calculator does the same job. Period or conservation-area home? Use the timber window calculator. Replacing doors as well? The door cost calculator covers front, French, patio and bifold doors, and the conservatory glazing calculator handles glass roofs and glazed sides. If a window has only misted rather than failed, the repair cost calculator weighs a fix against a full replacement. To sense-check whether the spend pays back, run the energy savings calculator. Each tool returns a range, not a single number, because real quotes vary with access, glass spec and your region.
Calculators answer how much. If your question is which option suits you, or whether a quote you have already been given is fair, that is a different job and our decision tools handle it: they match a frame material and style to your property, check grant eligibility and audit a quote you have in hand. For the plainer double glazing questions answered elsewhere on the site, on grants, lifespan, building regulations and what a fair price looks like, start with Double Glazing Questions Answered.
What about secondary glazing?
None of the calculators on this page price secondary glazing, and that is deliberate rather than an omission. Secondary glazing is a second internal pane fitted inside your existing window, not a replacement for it, so it is a different product with a different price base — usually a few hundred pounds per opening against the £400 upwards a replacement unit costs. It is the usual answer for listed buildings and conservation areas where you are not allowed to change the external window at all. Our guide to single, double and triple glazing sets out where it fits, and listed building window costs covers the consent side. If your windows can legally be replaced, the tools above are the right ones.
Get quotes for the windows you have priced
A calculator gives you the benchmark. For a price on your actual openings, tell us what you need and Leads 2 Trade will arrange quotes from installers covering your postcode. Bring the range above with you: it is what turns a quote you cannot judge into one you can.